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| Zhejiang Hangzhou Bay Shangyu Economic & Technological Development Zone was established in 1998 and located in the south bank of Hangzhou gulf. It was upgraded to a national level economic & technological development zone in 2013......| More |
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Sanwei Chemical Co., Ltd. is located in Hangzhou Bay Economic and Technological Development Zone. Sanwei built strategic partner relationships with China North Industries Group Corporation and Dalian University of Technology.....| More |
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Sanwei alway treats high-quality product, professional technology and excellent service as our life and aims to supply valuable products and services to our customer all the time......| More
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